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In the above figure, AB=12AB = 12AB=12, FE=8FE = 8FE=8, BC=CD=DE=3BC = CD = DE = 3BC=CD=DE=3, AB⊥BEAB\perp BEAB⊥BE, FE⊥BEFE\perp BEFE⊥BE,
Then find the area of ΔGCD\Delta GCDΔGCD.
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